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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_IMPL_H_ | 5 #ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_IMPL_H_ |
6 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_IMPL_H_ | 6 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_IMPL_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
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47 std::vector<const Notification*>* notifications); | 47 std::vector<const Notification*>* notifications); |
48 | 48 |
49 protected: | 49 protected: |
50 // Attempts to pass a notification from a waiting queue to the subclass for | 50 // Attempts to pass a notification from a waiting queue to the subclass for |
51 // presentation. The subclass can return 'false' if it cannot show the | 51 // presentation. The subclass can return 'false' if it cannot show the |
52 // notification right away. In that case it should invoke | 52 // notification right away. In that case it should invoke |
53 // CheckAndShowNotificaitons() later. | 53 // CheckAndShowNotificaitons() later. |
54 virtual bool ShowNotification(const Notification& notification, | 54 virtual bool ShowNotification(const Notification& notification, |
55 Profile* profile) = 0; | 55 Profile* profile) = 0; |
56 | 56 |
57 // Replace an existing notification of the same id with this one if applicable; | 57 // Replace an existing notification of the same id with this one if |
58 // subclass returns 'true' if the replacement happened. | 58 // applicable. Subclass returns 'true' if the replacement happened. |
59 virtual bool UpdateNotification(const Notification& notification, | 59 virtual bool UpdateNotification(const Notification& notification, |
60 Profile* profile) = 0; | 60 Profile* profile) = 0; |
61 | 61 |
62 // Attempts to display notifications from the show_queue. Invoked by subclasses | 62 // Attempts to display notifications from the show_queue. Invoked by |
63 // if they previously returned 'false' from ShowNotifications, which may happen | 63 // subclasses if they previously returned 'false' from ShowNotifications, |
64 // when there is no room to show another notification. When room appears, the | 64 // which may happen when there is no room to show another notification. When |
65 // subclass should call this method to cause an attempt to show more | 65 // room appears, the subclass should call this method to cause an attempt to |
66 // notifications from the waiting queue. | 66 // show more notifications from the waiting queue. |
67 void CheckAndShowNotifications(); | 67 void CheckAndShowNotifications(); |
68 | 68 |
69 private: | |
70 // content::NotificationObserver override. | 69 // content::NotificationObserver override. |
71 virtual void Observe(int type, | 70 virtual void Observe(int type, |
72 const content::NotificationSource& source, | 71 const content::NotificationSource& source, |
73 const content::NotificationDetails& details) OVERRIDE; | 72 const content::NotificationDetails& details) OVERRIDE; |
74 | 73 |
| 74 private: |
75 // Attempts to display notifications from the show_queue. | 75 // Attempts to display notifications from the show_queue. |
76 void ShowNotifications(); | 76 void ShowNotifications(); |
77 | 77 |
78 // Replace an existing notification with this one if applicable; | 78 // Replace an existing notification with this one if applicable; |
79 // returns true if the replacement happened. | 79 // returns true if the replacement happened. |
80 bool TryReplacement(const Notification& notification, Profile* profile); | 80 bool TryReplacement(const Notification& notification, Profile* profile); |
81 | 81 |
82 // Checks the user state to decide if we want to show the notification. | 82 // Checks the user state to decide if we want to show the notification. |
83 void CheckUserState(); | 83 void CheckUserState(); |
84 | 84 |
85 // A queue of notifications which are waiting to be shown. | 85 // A queue of notifications which are waiting to be shown. |
86 typedef std::deque<linked_ptr<QueuedNotification> > NotificationDeque; | 86 typedef std::deque<linked_ptr<QueuedNotification> > NotificationDeque; |
87 NotificationDeque show_queue_; | 87 NotificationDeque show_queue_; |
88 | 88 |
89 // Registrar for the other kind of notifications (event signaling). | 89 // Registrar for the other kind of notifications (event signaling). |
90 content::NotificationRegistrar registrar_; | 90 content::NotificationRegistrar registrar_; |
91 | 91 |
92 // Used by screen-saver and full-screen handling support. | 92 // Used by screen-saver and full-screen handling support. |
93 bool is_user_active_; | 93 bool is_user_active_; |
94 base::RepeatingTimer<NotificationUIManagerImpl> user_state_check_timer_; | 94 base::RepeatingTimer<NotificationUIManagerImpl> user_state_check_timer_; |
95 | 95 |
96 DISALLOW_COPY_AND_ASSIGN(NotificationUIManagerImpl); | 96 DISALLOW_COPY_AND_ASSIGN(NotificationUIManagerImpl); |
97 }; | 97 }; |
98 | 98 |
99 #endif // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_IMPL_H_ | 99 #endif // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_IMPL_H_ |
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